大约有 46,000 项符合查询结果（耗时：0.0720秒） [XML]
How to configure IntelliJ (also Android Studio) redo shortcut to CTRL+Y instead of CTRL+SHIFT+Z?
The default IntelliJ / Android Studio "Redo" action shortcut is CTRL + Shift + Z and this is a common problem for Windows users.
...
Is it a good idea to index datetime field in mysql?
...n/5.0/en/mysql-indexes.html
This makes your datetime column an excellent candidate for an index if you are going to be using it in conditions frequently in queries. If your only condition is BETWEEN NOW() AND DATE_ADD(NOW(), INTERVAL 30 DAY) and you have no other index in the condition, MySQL will...
Python constructors and __init__
Why are constructors indeed called "Constructors"? What is their purpose and how are they different from methods in a class?
...
String formatting in Python 3
...
"({:d} goals, ${:d})".format(self.goals, self.penalties)
If both goals and penalties are integers (i.e. their default format is ok), it could be shortened to:
"({} goals, ${})".format(self.goals, self.penalties)
And since the parameters are fields of self, there's also a way of doing it using...
PostgreSQL: insert from another table
I'm trying to insert data to a table from another table and the tables have only one column in common. The problem is, that the TABLE1 has columns that won't accept null values so I can't leave them empty and I can't get them from the TABLE2.
...
How to read data from a zip file without having to unzip the entire file
...Zip does in the constructor is seek to the "directory" inside the zipfile, and then read it and populate the list of entries. At that point, if your app calls Extract() on one entry, DotNetZip seeks to the proper place in the zip file, and decompresses the data for just that entry.
...
What character encoding should I use for a HTTP header?
...e http://html5boilerplate.com/ for more info) for a Server HTTP-header and am wondering if it is "allowed" per spec.
2 ...
sqlalchemy: how to join several tables by one query?
...ed Apr 8 at 9:57
Ryabchenko Alexander
3,22711 gold badge1919 silver badges4545 bronze badges
answered May 18 '11 at 13:04
...
Rails hidden field undefined method 'merge' error
...an do
<%= form_for @order, 'data-service' => 'test' do |f| %>
And then get attribute value with jquery
$('form').data('service')
share
|
improve this answer
|
...
Efficient way to rotate a list in python
...
A collections.deque is optimized for pulling and pushing on both ends. They even have a dedicated rotate() method.
from collections import deque
items = deque([1, 2])
items.append(3) # deque == [1, 2, 3]
items.rotate(1) # The deque is now: [3, 1, 2]
item...